NL7509426A - CHANNEL SEARCH AND SELECTION SYSTEM. - Google Patents

CHANNEL SEARCH AND SELECTION SYSTEM.

Info

Publication number
NL7509426A
NL7509426A NL7509426A NL7509426A NL7509426A NL 7509426 A NL7509426 A NL 7509426A NL 7509426 A NL7509426 A NL 7509426A NL 7509426 A NL7509426 A NL 7509426A NL 7509426 A NL7509426 A NL 7509426A
Authority
NL
Netherlands
Prior art keywords
selection system
channel search
search
channel
selection
Prior art date
Application number
NL7509426A
Other languages
Dutch (nl)
Original Assignee
Texas Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of NL7509426A publication Critical patent/NL7509426A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
NL7509426A 1974-08-07 1975-08-07 CHANNEL SEARCH AND SELECTION SYSTEM. NL7509426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2437974A DE2437974C3 (en) 1974-08-07 1974-08-07 Channel search and channel selection arrangement

Publications (1)

Publication Number Publication Date
NL7509426A true NL7509426A (en) 1976-02-10

Family

ID=5922636

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7509426A NL7509426A (en) 1974-08-07 1975-08-07 CHANNEL SEARCH AND SELECTION SYSTEM.

Country Status (6)

Country Link
US (1) US3988681A (en)
JP (1) JPS5934010B2 (en)
DE (1) DE2437974C3 (en)
FR (1) FR2281674A1 (en)
IT (1) IT1041164B (en)
NL (1) NL7509426A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826692B2 (en) * 1975-11-20 1983-06-04 ソニー株式会社 Senkiyokusouchi
DE2556486C3 (en) * 1975-12-16 1981-03-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Tuning circuit for high frequency receivers
DE2557856C3 (en) * 1975-12-22 1980-11-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Tuning circuit for high frequency receivers
JPS5946129B2 (en) * 1976-04-05 1984-11-10 ソニー株式会社 Channel selection device
US4207529A (en) * 1976-04-08 1980-06-10 Fujitsu Ten Limited Radio receiver
US4155043A (en) * 1976-04-28 1979-05-15 Matsushita Electric Industrial Co. Ltd. Channel selection apparatus including a scanning system
US4123716A (en) * 1976-08-12 1978-10-31 The Magnavox Company Automatic frequency control for digital tuning systems
JPS5380108A (en) * 1976-12-24 1978-07-15 Fujitsu Ten Ltd Automatic channel selecting receiver
US4156198A (en) * 1976-12-27 1979-05-22 The Magnavox Company Keyboard channel selection for television receivers
US4065720A (en) * 1977-03-18 1977-12-27 General Motors Corporation Electronic channel selector
US4236182A (en) * 1977-04-30 1980-11-25 Sharp Kabushiki Kaisha Automatic pre-programming system for TV receivers
JPS5944805B2 (en) * 1977-08-26 1984-11-01 株式会社日立製作所 automatic channel selection device
JPS6011852B2 (en) * 1977-09-28 1985-03-28 ソニー株式会社 Receiving machine
CA1127782A (en) * 1977-10-14 1982-07-13 Shigeo Matsuura Channel selection apparatus tunable to destined frequency in short time
US4270215A (en) * 1978-05-10 1981-05-26 Hitachi, Ltd. Channel indicator
JPS5539440A (en) * 1978-09-13 1980-03-19 Pioneer Electronic Corp Tuning system of terminal unit for catv system
DE2843214C2 (en) * 1978-10-04 1980-10-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digital voting system for a radio receiver
JPS5835639Y2 (en) * 1979-04-23 1983-08-11 石川島播磨重工業株式会社 Hearth roll
US4291414A (en) * 1979-05-02 1981-09-22 Nippon Gakki Seizo Kabushiki Kaisha Radio receiver operable in station search mode or station select mode
DE2935548C2 (en) * 1979-09-03 1989-07-20 Saba Gmbh, 7730 Villingen-Schwenningen Circuit arrangement for setting a receiver to predetermined transmitter frequencies by means of a tunable oscillator
DE2945331C2 (en) * 1979-11-09 1984-05-30 Nixdorf Computer Ag, 4790 Paderborn Device in a signal or data processing system for setting a signal processing circuit
JPS6034866B2 (en) * 1980-03-25 1985-08-10 株式会社日立製作所 Channel selection device
US4398303A (en) * 1981-11-30 1983-08-09 Rca Corporation Signal-seeking tuning system with automatic bandswitching for a television receiver
US4661995A (en) * 1985-02-21 1987-04-28 Anritsu Electric Co., Limited Multi-superheterodyne receiver
JPS638403U (en) * 1986-07-03 1988-01-20
JP4690019B2 (en) * 2004-11-18 2011-06-01 リーダー電子株式会社 Channel detection device and tuner inspection device provided with the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825804A (en) * 1954-10-29 1958-03-04 Sylvania Electric Prod Local reception selector for signal seeking receiver
DE1916834A1 (en) * 1969-04-02 1970-10-15 Blaupunkt Werke Gmbh Electronic automatic station search for a radio receiver
US3794925A (en) * 1972-06-27 1974-02-26 Gen Res Electronics Inc Frequency-skipping system for a signal-seeking receiver
US3931579A (en) * 1974-04-01 1976-01-06 Zenith Radio Corporation Digital signal seeking tuning system
US3919646A (en) * 1974-05-06 1975-11-11 Hy Gain Electronics Corp Scanning receiver

Also Published As

Publication number Publication date
IT1041164B (en) 1980-01-10
DE2437974B2 (en) 1978-08-31
DE2437974A1 (en) 1976-02-26
JPS5140803A (en) 1976-04-06
FR2281674A1 (en) 1976-03-05
JPS5934010B2 (en) 1984-08-20
DE2437974C3 (en) 1979-04-26
US3988681A (en) 1976-10-26
FR2281674B3 (en) 1978-03-24

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